20113422

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 72

約数和(自身を含む): 49202856

約数和(自身を除く): 29089434

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 43, 49, 74, 86, 98, 111, 129, 147, 222, 258, 259, 294, 301, 518, 602, 777, 903, 1554, 1591, 1806, 1813, 1849, 2107, 3182, 3626, 3698, 4214, 4773, 5439, 5547, 6321, 9546, 10878, 11094, 11137, 12642, 12943, 22274, 25886, 33411, 38829, 66822, 68413, 77658, 77959, 90601, 136826, 155918, 181202, 205239, 233877, 271803, 410478, 467754, 478891, 543606, 957782, 1436673, 2873346, 3352237, 6704474, 10056711, 20113422]

約数ペア:

[(1, 20113422), (2, 10056711), (3, 6704474), (6, 3352237), (7, 2873346), (14, 1436673), (21, 957782), (37, 543606), (42, 478891), (43, 467754), (49, 410478), (74, 271803), (86, 233877), (98, 205239), (111, 181202), (129, 155918), (147, 136826), (222, 90601), (258, 77959), (259, 77658), (294, 68413), (301, 66822), (518, 38829), (602, 33411), (777, 25886), (903, 22274), (1554, 12943), (1591, 12642), (1806, 11137), (1813, 11094), (1849, 10878), (2107, 9546), (3182, 6321), (3626, 5547), (3698, 5439), (4214, 4773)]